The recommended fertilization information management system is established by using the ActiveX development of geographic information system and soil survey data.
利用嵌入式地理信息系统开发技术，结合各种土壤信息数据，建立测土施肥信息管理系统。
The article introduces the method that how to trigger the event of ActiveX Control used to acquire data, and how to transfer batch data in the event.
介绍数据采集控件的事件触发方法，以及在事件中如何传递批量数据。
The article introduces the method that how to trigger the event of ActiveX Control used to acquire data, and how to transfer batch data in the event.
介绍数据采集控件的事件触发方法，以及在事件中如何传递批量数据。
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